Understanding file permissions

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This string of letters, drwxrwxrwx, represents the permissions that are set for the directory.



Each number can have one of eight values ranging from 0 to 7. Each value corresponds to a certain setting of the read, write and execute permissions, as explained in the following table.

For Example:
  • 777 is the same as rwxrwxrwx
  • 755 is the same as rwxr-xr-x
  • 666 is the same as rw-rw-rw-
  • 744 is the same as rwxr--r--





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